@using Microsoft.AspNetCore.Identity
@using WebApplication8.Data
@inject SignInManager<ApplicationUser> SignInManager
@inject UserManager<ApplicationUser> UserManager

<ul class="navbar-nav">
  @if (SignInManager.IsSignedIn(User))
  {
    <li class="nav-item">
      <a class="nav-link text-dark" asp-area="Identity" asp-page="/Account/Manage/Index" title="Manage">你好 @User.Identity.Name!</a>
    </li>
    <li class="nav-item">
      <form class="form-inline" asp-area="Identity" asp-page="/Account/Logout" asp-route-returnUrl="@Url.Action("Index", "Home", new { area = "" })">
        <button type="submit" class="nav-link btn btn-link text-dark">注销</button>
      </form>
    </li>
  }
  else
  {
    <li class="nav-item">
      <a class="nav-link text-dark" asp-area="Identity" asp-page="/Account/Register">注册</a>
    </li>
    <li class="nav-item">
      <a class="nav-link text-dark" asp-area="Identity" asp-page="/Account/Login">登录</a>
    </li>
  }
</ul>
